Home/CVE/Heap-based buffer overflow in the xmlStrncat function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X b
CVE

CVE-2016-1834

Heap-based buffer overflow in the xmlStrncat function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X b

Heap-based buffer overflow in the xmlStrncat function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted XML document.

HIGH · CVSS 7.8 EPSS 0.02308
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-122Heap-based Buffer Overflow
▤

Affected Products & Versions

15
canonical ubuntu linuxall versions
apple iphone os< 9.3.2
apple mac os x< 10.11.5
apple tvos< 9.2.1
apple watchos< 2.2.1
debian linuxall versions
redhat enterprise linux desktopall versions
redhat enterprise linux serverall versions
⚠

Public Exploits & PoCs

1
pocbugzilla.gnome.org · show_bug.cgi?id=763071bugzilla.gnome.org
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · product-security@apple.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD20 May 2016 · 10:59 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

9
suse-csafopenSUSE-SU-2024:10192-1
suse-csafopenSUSE-SU-2024:10228-1
suse-csafSUSE-SU-2017:2699-1
suse-csafSUSE-SU-2017:2700-1
rhsaRHSA-2016:2957Low
🔗

References & Sources

19
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.apple.com/archives/security-announce/2016/May/msg00001.htmlMailing ListVendor Advisory
http://lists.apple.com/archives/security-announce/2016/May/msg00002.htmlMailing ListVendor Advisory
http://lists.apple.com/archives/security-announce/2016/May/msg00003.htmlMailing ListVendor Advisory
http://lists.apple.com/archives/security-announce/2016/May/msg00004.htmlMailing ListVendor Advisory
http://rhn.redhat.com/errata/RHSA-2016-2957.htmlThird Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlThird Party Advisory
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